Engine-Codes - Volkswagen - P0321 Volkswagen

P0321 Volkswagen Code - Ignition Engine Speed Input Circuit Range/Performance

- Code Popularity: 139,914 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P0321 Volkswagen?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Ignition/Distributor engine speed sensor
  • Ignition/Distributor engine speed sensor harness is open or shorted
  • Ignition/Distributor engine speed sensor circuit poor electrical connection
  • Faulty Crankshaft Position sensor
  • Low battery charge
  • Faulty Engine Control Module (ECM)

Code Tech Notes

2003 VW Jetta 2.0L. Stalls. Codes P0321, P0322. Crankshaft Sensor diagnosis.





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How to Fix the DTC P0321 Volkswagen?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0321 Volkswagen code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The P0321 code is triggered when the Engine Control Module (ECM) detects the signal is out of range.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • The engine may be harder to start
  • The engine may stumble or stall

What Does the P0321 Volkswagen Code Mean?

Ignition failure sensor is used to check whether the spark ignition is occurred correctly or not and also used to tachometer drive. The sensor monitors the voltage difference between a resistance which is on the battery circuit for ignition coil. When the ignition coil works properly, the electric current through the resistance is detected as voltage drop. This is confirmed for every ignition event with the crankshaft sensor and the camshaft sensor. If ECM detects a malfunction, no ignition is possible, so the engine would not start. If there is no ignition signal for a predetermined cycle for one or two ignition coils, an ignition coil circuit failure exists.

P0321 Volkswagen Code - Ignition Engine Speed Input Circuit Range/Performance

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